namespace NetAdmin.Infrastructure.Utils;

/// <summary>
///     MIME 类型帮助类
/// </summary>
public static class MimeTypeHelper
{
    private const string _MIME_TYPES_RAW_STRING = """
                                                  123 application/vnd.lotus-1-2-3
                                                  3dml text/vnd.in3d.3dml
                                                  3ds image/x-3ds
                                                  3g2 video/3gpp2
                                                  3gp video/3gpp
                                                  7z application/x-7z-compressed
                                                  aab application/x-authorware-bin
                                                  aac audio/x-aac
                                                  aam application/x-authorware-map
                                                  aas application/x-authorware-seg
                                                  abs audio/x-mpeg
                                                  abw application/x-abiword
                                                  ac application/pkix-attr-cert
                                                  acc application/vnd.americandynamics.acc
                                                  ace application/x-ace-compressed
                                                  acu application/vnd.acucobol
                                                  acutc application/vnd.acucorp
                                                  adp audio/adpcm
                                                  aep application/vnd.audiograph
                                                  afm application/x-font-type1
                                                  afp application/vnd.ibm.modcap
                                                  ahead application/vnd.ahead.space
                                                  ai application/postscript
                                                  aif audio/x-aiff
                                                  aifc audio/x-aiff
                                                  aiff audio/x-aiff
                                                  aim application/x-aim
                                                  air application/vnd.adobe.air-application-installer-package+zip
                                                  ait application/vnd.dvb.ait
                                                  ami application/vnd.amiga.ami
                                                  anx application/annodex
                                                  apk application/vnd.android.package-archive
                                                  appcache text/cache-manifest
                                                  application application/x-ms-application
                                                  apr application/vnd.lotus-approach
                                                  arc application/x-freearc
                                                  art image/x-jg
                                                  asc application/pgp-signature
                                                  asf video/x-ms-asf
                                                  asm text/x-asm
                                                  aso application/vnd.accpac.simply.aso
                                                  asx video/x-ms-asf
                                                  atc application/vnd.acucorp
                                                  atom application/atom+xml
                                                  atomcat application/atomcat+xml
                                                  atomsvc application/atomsvc+xml
                                                  atx application/vnd.antix.game-component
                                                  au audio/basic
                                                  avi video/x-msvideo
                                                  avx video/x-rad-screenplay
                                                  aw application/applixware
                                                  axa audio/annodex
                                                  axv video/annodex
                                                  azf application/vnd.airzip.filesecure.azf
                                                  azs application/vnd.airzip.filesecure.azs
                                                  azw application/vnd.amazon.ebook
                                                  bat application/x-msdownload
                                                  bcpio application/x-bcpio
                                                  bdf application/x-font-bdf
                                                  bdm application/vnd.syncml.dm+wbxml
                                                  bed application/vnd.realvnc.bed
                                                  bh2 application/vnd.fujitsu.oasysprs
                                                  bin application/octet-stream
                                                  blb application/x-blorb
                                                  blorb application/x-blorb
                                                  bmi application/vnd.bmi
                                                  bmp image/bmp
                                                  body text/html
                                                  book application/vnd.framemaker
                                                  box application/vnd.previewsystems.box
                                                  boz application/x-bzip2
                                                  bpk application/octet-stream
                                                  btif image/prs.btif
                                                  bz application/x-bzip
                                                  bz2 application/x-bzip2
                                                  c text/x-c
                                                  c11amc application/vnd.cluetrust.cartomobile-config
                                                  c11amz application/vnd.cluetrust.cartomobile-config-pkg
                                                  c4d application/vnd.clonk.c4group
                                                  c4f application/vnd.clonk.c4group
                                                  c4g application/vnd.clonk.c4group
                                                  c4p application/vnd.clonk.c4group
                                                  c4u application/vnd.clonk.c4group
                                                  cab application/vnd.ms-cab-compressed
                                                  caf audio/x-caf
                                                  cap application/vnd.tcpdump.pcap
                                                  car application/vnd.curl.car
                                                  cat application/vnd.ms-pki.seccat
                                                  cb7 application/x-cbr
                                                  cba application/x-cbr
                                                  cbr application/x-cbr
                                                  cbt application/x-cbr
                                                  cbz application/x-cbr
                                                  cc text/x-c
                                                  cct application/x-director
                                                  ccxml application/ccxml+xml
                                                  cdbcmsg application/vnd.contact.cmsg
                                                  cdf application/x-cdf
                                                  cdkey application/vnd.mediastation.cdkey
                                                  cdmia application/cdmi-capability
                                                  cdmic application/cdmi-container
                                                  cdmid application/cdmi-domain
                                                  cdmio application/cdmi-object
                                                  cdmiq application/cdmi-queue
                                                  cdx chemical/x-cdx
                                                  cdxml application/vnd.chemdraw+xml
                                                  cdy application/vnd.cinderella
                                                  cer application/pkix-cert
                                                  cfs application/x-cfs-compressed
                                                  cgm image/cgm
                                                  chat application/x-chat
                                                  chm application/vnd.ms-htmlhelp
                                                  chrt application/vnd.kde.kchart
                                                  cif chemical/x-cif
                                                  cii application/vnd.anser-web-certificate-issue-initiation
                                                  cil application/vnd.ms-artgalry
                                                  cla application/vnd.claymore
                                                  class application/java
                                                  clkk application/vnd.crick.clicker.keyboard
                                                  clkp application/vnd.crick.clicker.palette
                                                  clkt application/vnd.crick.clicker.template
                                                  clkw application/vnd.crick.clicker.wordbank
                                                  clkx application/vnd.crick.clicker
                                                  clp application/x-msclip
                                                  cmc application/vnd.cosmocaller
                                                  cmdf chemical/x-cmdf
                                                  cml chemical/x-cml
                                                  cmp application/vnd.yellowriver-custom-menu
                                                  cmx image/x-cmx
                                                  cod application/vnd.rim.cod
                                                  com application/x-msdownload
                                                  conf text/plain
                                                  cpio application/x-cpio
                                                  cpp text/x-c
                                                  cpt application/mac-compactpro
                                                  crd application/x-mscardfile
                                                  crl application/pkix-crl
                                                  crt application/x-x509-ca-cert
                                                  cryptonote application/vnd.rig.cryptonote
                                                  csh application/x-csh
                                                  csml chemical/x-csml
                                                  csp application/vnd.commonspace
                                                  css text/css
                                                  cst application/x-director
                                                  csv text/csv
                                                  cu application/cu-seeme
                                                  curl text/vnd.curl
                                                  cww application/prs.cww
                                                  cxt application/x-director
                                                  cxx text/x-c
                                                  dae model/vnd.collada+xml
                                                  daf application/vnd.mobius.daf
                                                  dart application/vnd.dart
                                                  dataless application/vnd.fdsn.seed
                                                  davmount application/davmount+xml
                                                  dbk application/docbook+xml
                                                  dcr application/x-director
                                                  dcurl text/vnd.curl.dcurl
                                                  dd2 application/vnd.oma.dd2+xml
                                                  ddd application/vnd.fujixerox.ddd
                                                  deb application/x-debian-package
                                                  def text/plain
                                                  deploy application/octet-stream
                                                  der application/x-x509-ca-cert
                                                  dfac application/vnd.dreamfactory
                                                  dgc application/x-dgc-compressed
                                                  dib image/bmp
                                                  dic text/x-c
                                                  dir application/x-director
                                                  dis application/vnd.mobius.dis
                                                  dist application/octet-stream
                                                  distz application/octet-stream
                                                  djv image/vnd.djvu
                                                  djvu image/vnd.djvu
                                                  dll application/x-msdownload
                                                  dmg application/x-apple-diskimage
                                                  dmp application/vnd.tcpdump.pcap
                                                  dms application/octet-stream
                                                  dna application/vnd.dna
                                                  doc application/msword
                                                  docm application/vnd.ms-word.document.macroenabled.12
                                                  docx application/vnd.openxmlformats-officedocument.wordprocessingml.document
                                                  dot application/msword
                                                  dotm application/vnd.ms-word.template.macroenabled.12
                                                  dotx application/vnd.openxmlformats-officedocument.wordprocessingml.template
                                                  dp application/vnd.osgi.dp
                                                  dpg application/vnd.dpgraph
                                                  dra audio/vnd.dra
                                                  dsc text/prs.lines.tag
                                                  dssc application/dssc+der
                                                  dtb application/x-dtbook+xml
                                                  dtd application/xml-dtd
                                                  dts audio/vnd.dts
                                                  dtshd audio/vnd.dts.hd
                                                  dump application/octet-stream
                                                  dv video/x-dv
                                                  dvb video/vnd.dvb.file
                                                  dvi application/x-dvi
                                                  dwf model/vnd.dwf
                                                  dwg image/vnd.dwg
                                                  dxf image/vnd.dxf
                                                  dxp application/vnd.spotfire.dxp
                                                  dxr application/x-director
                                                  ecelp4800 audio/vnd.nuera.ecelp4800
                                                  ecelp7470 audio/vnd.nuera.ecelp7470
                                                  ecelp9600 audio/vnd.nuera.ecelp9600
                                                  ecma application/ecmascript
                                                  edm application/vnd.novadigm.edm
                                                  edx application/vnd.novadigm.edx
                                                  efif application/vnd.picsel
                                                  ei6 application/vnd.pg.osasli
                                                  elc application/octet-stream
                                                  emf application/x-msmetafile
                                                  eml message/rfc822
                                                  emma application/emma+xml
                                                  emz application/x-msmetafile
                                                  eol audio/vnd.digital-winds
                                                  eot application/vnd.ms-fontobject
                                                  eps application/postscript
                                                  epub application/epub+zip
                                                  es3 application/vnd.eszigno3+xml
                                                  esa application/vnd.osgi.subsystem
                                                  esf application/vnd.epson.esf
                                                  et3 application/vnd.eszigno3+xml
                                                  etx text/x-setext
                                                  eva application/x-eva
                                                  evy application/x-envoy
                                                  exe application/octet-stream
                                                  exi application/exi
                                                  ext application/vnd.novadigm.ext
                                                  ez application/andrew-inset
                                                  ez2 application/vnd.ezpix-album
                                                  ez3 application/vnd.ezpix-package
                                                  f text/x-fortran
                                                  f4v video/x-f4v
                                                  f77 text/x-fortran
                                                  f90 text/x-fortran
                                                  fbs image/vnd.fastbidsheet
                                                  fcdt application/vnd.adobe.formscentral.fcdt
                                                  fcs application/vnd.isac.fcs
                                                  fdf application/vnd.fdf
                                                  fe_launch application/vnd.denovo.fcselayout-link
                                                  fg5 application/vnd.fujitsu.oasysgp
                                                  fgd application/x-director
                                                  fh image/x-freehand
                                                  fh4 image/x-freehand
                                                  fh5 image/x-freehand
                                                  fh7 image/x-freehand
                                                  fhc image/x-freehand
                                                  fig application/x-xfig
                                                  flac audio/flac
                                                  fli video/x-fli
                                                  flo application/vnd.micrografx.flo
                                                  flv video/x-flv
                                                  flw application/vnd.kde.kivio
                                                  flx text/vnd.fmi.flexstor
                                                  fly text/vnd.fly
                                                  fm application/vnd.framemaker
                                                  fnc application/vnd.frogans.fnc
                                                  for text/x-fortran
                                                  fpx image/vnd.fpx
                                                  frame application/vnd.framemaker
                                                  fsc application/vnd.fsc.weblaunch
                                                  fst image/vnd.fst
                                                  ftc application/vnd.fluxtime.clip
                                                  fti application/vnd.anser-web-funds-transfer-initiation
                                                  fvt video/vnd.fvt
                                                  fxp application/vnd.adobe.fxp
                                                  fxpl application/vnd.adobe.fxp
                                                  fzs application/vnd.fuzzysheet
                                                  g2w application/vnd.geoplan
                                                  g3 image/g3fax
                                                  g3w application/vnd.geospace
                                                  gac application/vnd.groove-account
                                                  gam application/x-tads
                                                  gbr application/rpki-ghostbusters
                                                  gca application/x-gca-compressed
                                                  gdl model/vnd.gdl
                                                  geo application/vnd.dynageo
                                                  gex application/vnd.geometry-explorer
                                                  ggb application/vnd.geogebra.file
                                                  ggt application/vnd.geogebra.tool
                                                  ghf application/vnd.groove-help
                                                  gif image/gif
                                                  gim application/vnd.groove-identity-message
                                                  gml application/gml+xml
                                                  gmx application/vnd.gmx
                                                  gnumeric application/x-gnumeric
                                                  gph application/vnd.flographit
                                                  gpx application/gpx+xml
                                                  gqf application/vnd.grafeq
                                                  gqs application/vnd.grafeq
                                                  gram application/srgs
                                                  gramps application/x-gramps-xml
                                                  gre application/vnd.geometry-explorer
                                                  grv application/vnd.groove-injector
                                                  grxml application/srgs+xml
                                                  gsf application/x-font-ghostscript
                                                  gtar application/x-gtar
                                                  gtm application/vnd.groove-tool-message
                                                  gtw model/vnd.gtw
                                                  gv text/vnd.graphviz
                                                  gxf application/gxf
                                                  gxt application/vnd.geonext
                                                  gz application/x-gzip
                                                  h text/x-c
                                                  h261 video/h261
                                                  h263 video/h263
                                                  h264 video/h264
                                                  hal application/vnd.hal+xml
                                                  hbci application/vnd.hbci
                                                  hdf application/x-hdf
                                                  hh text/x-c
                                                  hlp application/winhlp
                                                  hpgl application/vnd.hp-hpgl
                                                  hpid application/vnd.hp-hpid
                                                  hps application/vnd.hp-hps
                                                  hqx application/mac-binhex40
                                                  htc text/x-component
                                                  htke application/vnd.kenameaapp
                                                  htm text/html
                                                  html text/html
                                                  hvd application/vnd.yamaha.hv-dic
                                                  hvp application/vnd.yamaha.hv-voice
                                                  hvs application/vnd.yamaha.hv-script
                                                  i2g application/vnd.intergeo
                                                  icc application/vnd.iccprofile
                                                  ice x-conference/x-cooltalk
                                                  icm application/vnd.iccprofile
                                                  ico image/x-icon
                                                  ics text/calendar
                                                  ief image/ief
                                                  ifb text/calendar
                                                  ifm application/vnd.shana.informed.formdata
                                                  iges model/iges
                                                  igl application/vnd.igloader
                                                  igm application/vnd.insors.igm
                                                  igs model/iges
                                                  igx application/vnd.micrografx.igx
                                                  iif application/vnd.shana.informed.interchange
                                                  imp application/vnd.accpac.simply.imp
                                                  ims application/vnd.ms-ims
                                                  in text/plain
                                                  ink application/inkml+xml
                                                  inkml application/inkml+xml
                                                  install application/x-install-instructions
                                                  iota application/vnd.astraea-software.iota
                                                  ipfix application/ipfix
                                                  ipk application/vnd.shana.informed.package
                                                  irm application/vnd.ibm.rights-management
                                                  irp application/vnd.irepository.package+xml
                                                  iso application/x-iso9660-image
                                                  itp application/vnd.shana.informed.formtemplate
                                                  ivp application/vnd.immervision-ivp
                                                  ivu application/vnd.immervision-ivu
                                                  jad text/vnd.sun.j2me.app-descriptor
                                                  jam application/vnd.jam
                                                  jar application/java-archive
                                                  java text/x-java-source
                                                  jisp application/vnd.jisp
                                                  jlt application/vnd.hp-jlyt
                                                  jnlp application/x-java-jnlp-file
                                                  joda application/vnd.joost.joda-archive
                                                  jpe image/jpeg
                                                  jpeg image/jpeg
                                                  jpg image/jpeg
                                                  jpgm video/jpm
                                                  jpgv video/jpeg
                                                  jpm video/jpm
                                                  js application/javascript
                                                  jsf text/plain
                                                  json application/json
                                                  jsonml application/jsonml+json
                                                  jspf text/plain
                                                  kar audio/midi
                                                  karbon application/vnd.kde.karbon
                                                  kfo application/vnd.kde.kformula
                                                  kia application/vnd.kidspiration
                                                  kml application/vnd.google-earth.kml+xml
                                                  kmz application/vnd.google-earth.kmz
                                                  kne application/vnd.kinar
                                                  knp application/vnd.kinar
                                                  kon application/vnd.kde.kontour
                                                  kpr application/vnd.kde.kpresenter
                                                  kpt application/vnd.kde.kpresenter
                                                  kpxx application/vnd.ds-keypoint
                                                  ksp application/vnd.kde.kspread
                                                  ktr application/vnd.kahootz
                                                  ktx image/ktx
                                                  ktz application/vnd.kahootz
                                                  kwd application/vnd.kde.kword
                                                  kwt application/vnd.kde.kword
                                                  lasxml application/vnd.las.las+xml
                                                  latex application/x-latex
                                                  lbd application/vnd.llamagraphics.life-balance.desktop
                                                  lbe application/vnd.llamagraphics.life-balance.exchange+xml
                                                  les application/vnd.hhe.lesson-player
                                                  lha application/x-lzh-compressed
                                                  link66 application/vnd.route66.link66+xml
                                                  list text/plain
                                                  list3820 application/vnd.ibm.modcap
                                                  listafp application/vnd.ibm.modcap
                                                  lnk application/x-ms-shortcut
                                                  log text/plain
                                                  lostxml application/lost+xml
                                                  lrf application/octet-stream
                                                  lrm application/vnd.ms-lrm
                                                  ltf application/vnd.frogans.ltf
                                                  lvp audio/vnd.lucent.voice
                                                  lwp application/vnd.lotus-wordpro
                                                  lzh application/x-lzh-compressed
                                                  m13 application/x-msmediaview
                                                  m14 application/x-msmediaview
                                                  m1v video/mpeg
                                                  m21 application/mp21
                                                  m2a audio/mpeg
                                                  m2v video/mpeg
                                                  m3a audio/mpeg
                                                  m3u audio/x-mpegurl
                                                  m3u8 application/vnd.apple.mpegurl
                                                  m4a audio/mp4
                                                  m4b audio/mp4
                                                  m4r audio/mp4
                                                  m4u video/vnd.mpegurl
                                                  m4v video/mp4
                                                  ma application/mathematica
                                                  mac image/x-macpaint
                                                  mads application/mads+xml
                                                  mag application/vnd.ecowin.chart
                                                  maker application/vnd.framemaker
                                                  man text/troff
                                                  mar application/octet-stream
                                                  mathml application/mathml+xml
                                                  mb application/mathematica
                                                  mbk application/vnd.mobius.mbk
                                                  mbox application/mbox
                                                  mc1 application/vnd.medcalcdata
                                                  mcd application/vnd.mcd
                                                  mcurl text/vnd.curl.mcurl
                                                  mdb application/x-msaccess
                                                  mdi image/vnd.ms-modi
                                                  me text/troff
                                                  mesh model/mesh
                                                  meta4 application/metalink4+xml
                                                  metalink application/metalink+xml
                                                  mets application/mets+xml
                                                  mfm application/vnd.mfmp
                                                  mft application/rpki-manifest
                                                  mgp application/vnd.osgeo.mapguide.package
                                                  mgz application/vnd.proteus.magazine
                                                  mid audio/midi
                                                  midi audio/midi
                                                  mie application/x-mie
                                                  mif application/x-mif
                                                  mime message/rfc822
                                                  mj2 video/mj2
                                                  mjp2 video/mj2
                                                  mk3d video/x-matroska
                                                  mka audio/x-matroska
                                                  mks video/x-matroska
                                                  mkv video/x-matroska
                                                  mlp application/vnd.dolby.mlp
                                                  mmd application/vnd.chipnuts.karaoke-mmd
                                                  mmf application/vnd.smaf
                                                  mmr image/vnd.fujixerox.edmics-mmr
                                                  mng video/x-mng
                                                  mny application/x-msmoney
                                                  mobi application/x-mobipocket-ebook
                                                  mods application/mods+xml
                                                  mov video/quicktime
                                                  movie video/x-sgi-movie
                                                  mp1 audio/mpeg
                                                  mp2 audio/mpeg
                                                  mp21 application/mp21
                                                  mp2a audio/mpeg
                                                  mp3 audio/mpeg
                                                  mp4 video/mp4
                                                  mp4a audio/mp4
                                                  mp4s application/mp4
                                                  mp4v video/mp4
                                                  mpa audio/mpeg
                                                  mpc application/vnd.mophun.certificate
                                                  mpe video/mpeg
                                                  mpeg video/mpeg
                                                  mpega audio/x-mpeg
                                                  mpg video/mpeg
                                                  mpg4 video/mp4
                                                  mpga audio/mpeg
                                                  mpkg application/vnd.apple.installer+xml
                                                  mpm application/vnd.blueice.multipass
                                                  mpn application/vnd.mophun.application
                                                  mpp application/vnd.ms-project
                                                  mpt application/vnd.ms-project
                                                  mpv2 video/mpeg2
                                                  mpy application/vnd.ibm.minipay
                                                  mqy application/vnd.mobius.mqy
                                                  mrc application/marc
                                                  mrcx application/marcxml+xml
                                                  ms text/troff
                                                  mscml application/mediaservercontrol+xml
                                                  mseed application/vnd.fdsn.mseed
                                                  mseq application/vnd.mseq
                                                  msf application/vnd.epson.msf
                                                  msh model/mesh
                                                  msi application/x-msdownload
                                                  msl application/vnd.mobius.msl
                                                  msty application/vnd.muvee.style
                                                  mts model/vnd.mts
                                                  mus application/vnd.musician
                                                  musicxml application/vnd.recordare.musicxml+xml
                                                  mvb application/x-msmediaview
                                                  mwf application/vnd.mfer
                                                  mxf application/mxf
                                                  mxl application/vnd.recordare.musicxml
                                                  mxml application/xv+xml
                                                  mxs application/vnd.triscape.mxs
                                                  mxu video/vnd.mpegurl
                                                  n-gage application/vnd.nokia.n-gage.symbian.install
                                                  n3 text/n3
                                                  nb application/mathematica
                                                  nbp application/vnd.wolfram.player
                                                  nc application/x-netcdf
                                                  ncx application/x-dtbncx+xml
                                                  nfo text/x-nfo
                                                  ngdat application/vnd.nokia.n-gage.data
                                                  nitf application/vnd.nitf
                                                  nlu application/vnd.neurolanguage.nlu
                                                  nml application/vnd.enliven
                                                  nnd application/vnd.noblenet-directory
                                                  nns application/vnd.noblenet-sealer
                                                  nnw application/vnd.noblenet-web
                                                  npx image/vnd.net-fpx
                                                  nsc application/x-conference
                                                  nsf application/vnd.lotus-notes
                                                  ntf application/vnd.nitf
                                                  nzb application/x-nzb
                                                  oa2 application/vnd.fujitsu.oasys2
                                                  oa3 application/vnd.fujitsu.oasys3
                                                  oas application/vnd.fujitsu.oasys
                                                  obd application/x-msbinder
                                                  obj application/x-tgif
                                                  oda application/oda
                                                  odb application/vnd.oasis.opendocument.database
                                                  odc application/vnd.oasis.opendocument.chart
                                                  odf application/vnd.oasis.opendocument.formula
                                                  odft application/vnd.oasis.opendocument.formula-template
                                                  odg application/vnd.oasis.opendocument.graphics
                                                  odi application/vnd.oasis.opendocument.image
                                                  odm application/vnd.oasis.opendocument.text-master
                                                  odp application/vnd.oasis.opendocument.presentation
                                                  ods application/vnd.oasis.opendocument.spreadsheet
                                                  odt application/vnd.oasis.opendocument.text
                                                  oga audio/ogg
                                                  ogg audio/ogg
                                                  ogv video/ogg
                                                  ogx application/ogg
                                                  omdoc application/omdoc+xml
                                                  onepkg application/onenote
                                                  onetmp application/onenote
                                                  onetoc application/onenote
                                                  onetoc2 application/onenote
                                                  opf application/oebps-package+xml
                                                  opml text/x-opml
                                                  oprc application/vnd.palm
                                                  org application/vnd.lotus-organizer
                                                  osf application/vnd.yamaha.openscoreformat
                                                  osfpvg application/vnd.yamaha.openscoreformat.osfpvg+xml
                                                  otc application/vnd.oasis.opendocument.chart-template
                                                  otf application/x-font-otf
                                                  otg application/vnd.oasis.opendocument.graphics-template
                                                  oth application/vnd.oasis.opendocument.text-web
                                                  oti application/vnd.oasis.opendocument.image-template
                                                  otp application/vnd.oasis.opendocument.presentation-template
                                                  ots application/vnd.oasis.opendocument.spreadsheet-template
                                                  ott application/vnd.oasis.opendocument.text-template
                                                  oxps application/oxps
                                                  oxt application/vnd.openofficeorg.extension
                                                  p text/x-pascal
                                                  p10 application/pkcs10
                                                  p12 application/x-pkcs12
                                                  p7b application/x-pkcs7-certificates
                                                  p7c application/pkcs7-mime
                                                  p7m application/pkcs7-mime
                                                  p7r application/x-pkcs7-certreqresp
                                                  p7s application/pkcs7-signature
                                                  p8 application/pkcs8
                                                  pas text/x-pascal
                                                  paw application/vnd.pawaafile
                                                  pbd application/vnd.powerbuilder6
                                                  pbm image/x-portable-bitmap
                                                  pcap application/vnd.tcpdump.pcap
                                                  pcf application/x-font-pcf
                                                  pcl application/vnd.hp-pcl
                                                  pclxl application/vnd.hp-pclxl
                                                  pct image/pict
                                                  pcurl application/vnd.curl.pcurl
                                                  pcx image/x-pcx
                                                  pdb application/vnd.palm
                                                  pdf application/pdf
                                                  pfa application/x-font-type1
                                                  pfb application/x-font-type1
                                                  pfm application/x-font-type1
                                                  pfr application/font-tdpfr
                                                  pfx application/x-pkcs12
                                                  pgm image/x-portable-graymap
                                                  pgn application/x-chess-pgn
                                                  pgp application/pgp-encrypted
                                                  pic image/pict
                                                  pict image/pict
                                                  pkg application/octet-stream
                                                  pki application/pkixcmp
                                                  pkipath application/pkix-pkipath
                                                  plb application/vnd.3gpp.pic-bw-large
                                                  plc application/vnd.mobius.plc
                                                  plf application/vnd.pocketlearn
                                                  pls audio/x-scpls
                                                  pml application/vnd.ctc-posml
                                                  png image/png
                                                  pnm image/x-portable-anymap
                                                  pnt image/x-macpaint
                                                  portpkg application/vnd.macports.portpkg
                                                  pot application/vnd.ms-powerpoint
                                                  potm application/vnd.ms-powerpoint.template.macroenabled.12
                                                  potx application/vnd.openxmlformats-officedocument.presentationml.template
                                                  ppam application/vnd.ms-powerpoint.addin.macroenabled.12
                                                  ppd application/vnd.cups-ppd
                                                  ppm image/x-portable-pixmap
                                                  pps application/vnd.ms-powerpoint
                                                  ppsm application/vnd.ms-powerpoint.slideshow.macroenabled.12
                                                  ppsx application/vnd.openxmlformats-officedocument.presentationml.slideshow
                                                  ppt application/vnd.ms-powerpoint
                                                  pptm application/vnd.ms-powerpoint.presentation.macroenabled.12
                                                  pptx application/vnd.openxmlformats-officedocument.presentationml.presentation
                                                  pqa application/vnd.palm
                                                  prc application/x-mobipocket-ebook
                                                  pre application/vnd.lotus-freelance
                                                  prf application/pics-rules
                                                  ps application/postscript
                                                  psb application/vnd.3gpp.pic-bw-small
                                                  psd image/vnd.adobe.photoshop
                                                  psf application/x-font-linux-psf
                                                  pskcxml application/pskc+xml
                                                  ptid application/vnd.pvi.ptid1
                                                  pub application/x-mspublisher
                                                  pvb application/vnd.3gpp.pic-bw-var
                                                  pwn application/vnd.3m.post-it-notes
                                                  pya audio/vnd.ms-playready.media.pya
                                                  pyv video/vnd.ms-playready.media.pyv
                                                  qam application/vnd.epson.quickanime
                                                  qbo application/vnd.intu.qbo
                                                  qfx application/vnd.intu.qfx
                                                  qps application/vnd.publishare-delta-tree
                                                  qt video/quicktime
                                                  qti image/x-quicktime
                                                  qtif image/x-quicktime
                                                  qwd application/vnd.quark.quarkxpress
                                                  qwt application/vnd.quark.quarkxpress
                                                  qxb application/vnd.quark.quarkxpress
                                                  qxd application/vnd.quark.quarkxpress
                                                  qxl application/vnd.quark.quarkxpress
                                                  qxt application/vnd.quark.quarkxpress
                                                  ra audio/x-pn-realaudio
                                                  ram audio/x-pn-realaudio
                                                  rar application/x-rar-compressed
                                                  ras image/x-cmu-raster
                                                  rcprofile application/vnd.ipunplugged.rcprofile
                                                  rdf application/rdf+xml
                                                  rdz application/vnd.data-vision.rdz
                                                  rep application/vnd.businessobjects
                                                  res application/x-dtbresource+xml
                                                  rgb image/x-rgb
                                                  rif application/reginfo+xml
                                                  rip audio/vnd.rip
                                                  ris application/x-research-info-systems
                                                  rl application/resource-lists+xml
                                                  rlc image/vnd.fujixerox.edmics-rlc
                                                  rld application/resource-lists-diff+xml
                                                  rm application/vnd.rn-realmedia
                                                  rmi audio/midi
                                                  rmp audio/x-pn-realaudio-plugin
                                                  rms application/vnd.jcp.javame.midlet-rms
                                                  rmvb application/vnd.rn-realmedia-vbr
                                                  rnc application/relax-ng-compact-syntax
                                                  roa application/rpki-roa
                                                  roff text/troff
                                                  rp9 application/vnd.cloanto.rp9
                                                  rpss application/vnd.nokia.radio-presets
                                                  rpst application/vnd.nokia.radio-preset
                                                  rq application/sparql-query
                                                  rs application/rls-services+xml
                                                  rsd application/rsd+xml
                                                  rss application/rss+xml
                                                  rtf application/rtf
                                                  rtx text/richtext
                                                  s text/x-asm
                                                  s3m audio/s3m
                                                  saf application/vnd.yamaha.smaf-audio
                                                  sbml application/sbml+xml
                                                  sc application/vnd.ibm.secure-container
                                                  scd application/x-msschedule
                                                  scm application/vnd.lotus-screencam
                                                  scq application/scvp-cv-request
                                                  scs application/scvp-cv-response
                                                  scurl text/vnd.curl.scurl
                                                  sda application/vnd.stardivision.draw
                                                  sdc application/vnd.stardivision.calc
                                                  sdd application/vnd.stardivision.impress
                                                  sdkd application/vnd.solent.sdkm+xml
                                                  sdkm application/vnd.solent.sdkm+xml
                                                  sdp application/sdp
                                                  sdw application/vnd.stardivision.writer
                                                  see application/vnd.seemail
                                                  seed application/vnd.fdsn.seed
                                                  sema application/vnd.sema
                                                  semd application/vnd.semd
                                                  semf application/vnd.semf
                                                  ser application/java-serialized-object
                                                  setpay application/set-payment-initiation
                                                  setreg application/set-registration-initiation
                                                  sfd-hdstx application/vnd.hydrostatix.sof-data
                                                  sfs application/vnd.spotfire.sfs
                                                  sfv text/x-sfv
                                                  sgi image/sgi
                                                  sgl application/vnd.stardivision.writer-global
                                                  sgm text/sgml
                                                  sgml text/sgml
                                                  sh application/x-sh
                                                  shar application/x-shar
                                                  shf application/shf+xml
                                                  sid image/x-mrsid-image
                                                  sig application/pgp-signature
                                                  sil audio/silk
                                                  silo model/mesh
                                                  sis application/vnd.symbian.install
                                                  sisx application/vnd.symbian.install
                                                  sit application/x-stuffit
                                                  sitx application/x-stuffitx
                                                  skd application/vnd.koan
                                                  skm application/vnd.koan
                                                  skp application/vnd.koan
                                                  skt application/vnd.koan
                                                  sldm application/vnd.ms-powerpoint.slide.macroenabled.12
                                                  sldx application/vnd.openxmlformats-officedocument.presentationml.slide
                                                  slt application/vnd.epson.salt
                                                  sm application/vnd.stepmania.stepchart
                                                  smf application/vnd.stardivision.math
                                                  smi application/smil+xml
                                                  smil application/smil+xml
                                                  smv video/x-smv
                                                  smzip application/vnd.stepmania.package
                                                  snd audio/basic
                                                  snf application/x-font-snf
                                                  so application/octet-stream
                                                  spc application/x-pkcs7-certificates
                                                  spf application/vnd.yamaha.smaf-phrase
                                                  spl application/x-futuresplash
                                                  spot text/vnd.in3d.spot
                                                  spp application/scvp-vp-response
                                                  spq application/scvp-vp-request
                                                  spx audio/ogg
                                                  sql application/x-sql
                                                  src application/x-wais-source
                                                  srt application/x-subrip
                                                  sru application/sru+xml
                                                  srx application/sparql-results+xml
                                                  ssdl application/ssdl+xml
                                                  sse application/vnd.kodak-descriptor
                                                  ssf application/vnd.epson.ssf
                                                  ssml application/ssml+xml
                                                  st application/vnd.sailingtracker.track
                                                  stc application/vnd.sun.xml.calc.template
                                                  std application/vnd.sun.xml.draw.template
                                                  stf application/vnd.wt.stf
                                                  sti application/vnd.sun.xml.impress.template
                                                  stk application/hyperstudio
                                                  stl application/vnd.ms-pki.stl
                                                  str application/vnd.pg.format
                                                  stw application/vnd.sun.xml.writer.template
                                                  sub text/vnd.dvb.subtitle
                                                  sus application/vnd.sus-calendar
                                                  susp application/vnd.sus-calendar
                                                  sv4cpio application/x-sv4cpio
                                                  sv4crc application/x-sv4crc
                                                  svc application/vnd.dvb.service
                                                  svd application/vnd.svd
                                                  svg image/svg+xml
                                                  svgz image/svg+xml
                                                  swa application/x-director
                                                  swf application/x-shockwave-flash
                                                  swi application/vnd.aristanetworks.swi
                                                  sxc application/vnd.sun.xml.calc
                                                  sxd application/vnd.sun.xml.draw
                                                  sxg application/vnd.sun.xml.writer.global
                                                  sxi application/vnd.sun.xml.impress
                                                  sxm application/vnd.sun.xml.math
                                                  sxw application/vnd.sun.xml.writer
                                                  t text/troff
                                                  t3 application/x-t3vm-image
                                                  taglet application/vnd.mynfc
                                                  tao application/vnd.tao.intent-module-archive
                                                  tar application/x-tar
                                                  tcap application/vnd.3gpp2.tcap
                                                  tcl application/x-tcl
                                                  teacher application/vnd.smart.teacher
                                                  tei application/tei+xml
                                                  teicorpus application/tei+xml
                                                  tex application/x-tex
                                                  texi application/x-texinfo
                                                  texinfo application/x-texinfo
                                                  text text/plain
                                                  tfi application/thraud+xml
                                                  tfm application/x-tex-tfm
                                                  tga image/x-tga
                                                  thmx application/vnd.ms-officetheme
                                                  tif image/tiff
                                                  tiff image/tiff
                                                  tmo application/vnd.tmobile-livetv
                                                  torrent application/x-bittorrent
                                                  tpl application/vnd.groove-tool-template
                                                  tpt application/vnd.trid.tpt
                                                  tr text/troff
                                                  tra application/vnd.trueapp
                                                  trm application/x-msterminal
                                                  tsd application/timestamped-data
                                                  tsv text/tab-separated-values
                                                  ttc application/x-font-ttf
                                                  ttf application/x-font-ttf
                                                  ttl text/turtle
                                                  twd application/vnd.simtech-mindmapper
                                                  twds application/vnd.simtech-mindmapper
                                                  txd application/vnd.genomatix.tuxedo
                                                  txf application/vnd.mobius.txf
                                                  txt text/plain
                                                  u32 application/x-authorware-bin
                                                  udeb application/x-debian-package
                                                  ufd application/vnd.ufdl
                                                  ufdl application/vnd.ufdl
                                                  ulw audio/basic
                                                  ulx application/x-glulx
                                                  umj application/vnd.umajin
                                                  unityweb application/vnd.unity
                                                  uoml application/vnd.uoml+xml
                                                  uri text/uri-list
                                                  uris text/uri-list
                                                  urls text/uri-list
                                                  ustar application/x-ustar
                                                  utz application/vnd.uiq.theme
                                                  uu text/x-uuencode
                                                  uva audio/vnd.dece.audio
                                                  uvd application/vnd.dece.data
                                                  uvf application/vnd.dece.data
                                                  uvg image/vnd.dece.graphic
                                                  uvh video/vnd.dece.hd
                                                  uvi image/vnd.dece.graphic
                                                  uvm video/vnd.dece.mobile
                                                  uvp video/vnd.dece.pd
                                                  uvs video/vnd.dece.sd
                                                  uvt application/vnd.dece.ttml+xml
                                                  uvu video/vnd.uvvu.mp4
                                                  uvv video/vnd.dece.video
                                                  uvva audio/vnd.dece.audio
                                                  uvvd application/vnd.dece.data
                                                  uvvf application/vnd.dece.data
                                                  uvvg image/vnd.dece.graphic
                                                  uvvh video/vnd.dece.hd
                                                  uvvi image/vnd.dece.graphic
                                                  uvvm video/vnd.dece.mobile
                                                  uvvp video/vnd.dece.pd
                                                  uvvs video/vnd.dece.sd
                                                  uvvt application/vnd.dece.ttml+xml
                                                  uvvu video/vnd.uvvu.mp4
                                                  uvvv video/vnd.dece.video
                                                  uvvx application/vnd.dece.unspecified
                                                  uvvz application/vnd.dece.zip
                                                  uvx application/vnd.dece.unspecified
                                                  uvz application/vnd.dece.zip
                                                  vcard text/vcard
                                                  vcd application/x-cdlink
                                                  vcf text/x-vcard
                                                  vcg application/vnd.groove-vcard
                                                  vcs text/x-vcalendar
                                                  vcx application/vnd.vcx
                                                  vis application/vnd.visionary
                                                  viv video/vnd.vivo
                                                  vob video/x-ms-vob
                                                  vor application/vnd.stardivision.writer
                                                  vox application/x-authorware-bin
                                                  vrml model/vrml
                                                  vsd application/vnd.visio
                                                  vsf application/vnd.vsf
                                                  vss application/vnd.visio
                                                  vst application/vnd.visio
                                                  vsw application/vnd.visio
                                                  vtu model/vnd.vtu
                                                  vxml application/voicexml+xml
                                                  w3d application/x-director
                                                  wad application/x-doom
                                                  wav audio/x-wav
                                                  wax audio/x-ms-wax
                                                  wbmp image/vnd.wap.wbmp
                                                  wbs application/vnd.criticaltools.wbs+xml
                                                  wbxml application/vnd.wap.wbxml
                                                  wcm application/vnd.ms-works
                                                  wdb application/vnd.ms-works
                                                  wdp image/vnd.ms-photo
                                                  weba audio/webm
                                                  webm video/webm
                                                  webp image/webp
                                                  wg application/vnd.pmi.widget
                                                  wgt application/widget
                                                  wks application/vnd.ms-works
                                                  wm video/x-ms-wm
                                                  wma audio/x-ms-wma
                                                  wmd application/x-ms-wmd
                                                  wmf application/x-msmetafile
                                                  wml text/vnd.wap.wml
                                                  wmlc application/vnd.wap.wmlc
                                                  wmls text/vnd.wap.wmlscript
                                                  wmlsc application/vnd.wap.wmlscriptc
                                                  wmv video/x-ms-wmv
                                                  wmx video/x-ms-wmx
                                                  wmz application/x-msmetafile
                                                  woff application/x-font-woff
                                                  wpd application/vnd.wordperfect
                                                  wpl application/vnd.ms-wpl
                                                  wps application/vnd.ms-works
                                                  wqd application/vnd.wqd
                                                  wri application/x-mswrite
                                                  wrl model/vrml
                                                  wsdl application/wsdl+xml
                                                  wspolicy application/wspolicy+xml
                                                  wtb application/vnd.webturbo
                                                  wvx video/x-ms-wvx
                                                  x32 application/x-authorware-bin
                                                  x3d model/x3d+xml
                                                  x3db model/x3d+binary
                                                  x3dbz model/x3d+binary
                                                  x3dv model/x3d+vrml
                                                  x3dvz model/x3d+vrml
                                                  x3dz model/x3d+xml
                                                  xaml application/xaml+xml
                                                  xap application/x-silverlight-app
                                                  xar application/vnd.xara
                                                  xbap application/x-ms-xbap
                                                  xbd application/vnd.fujixerox.docuworks.binder
                                                  xbm image/x-xbitmap
                                                  xdf application/xcap-diff+xml
                                                  xdm application/vnd.syncml.dm+xml
                                                  xdp application/vnd.adobe.xdp+xml
                                                  xdssc application/dssc+xml
                                                  xdw application/vnd.fujixerox.docuworks
                                                  xenc application/xenc+xml
                                                  xer application/patch-ops-error+xml
                                                  xfdf application/vnd.adobe.xfdf
                                                  xfdl application/vnd.xfdl
                                                  xht application/xhtml+xml
                                                  xhtml application/xhtml+xml
                                                  xhvml application/xv+xml
                                                  xif image/vnd.xiff
                                                  xla application/vnd.ms-excel
                                                  xlam application/vnd.ms-excel.addin.macroenabled.12
                                                  xlc application/vnd.ms-excel
                                                  xlf application/x-xliff+xml
                                                  xlm application/vnd.ms-excel
                                                  xls application/vnd.ms-excel
                                                  xlsb application/vnd.ms-excel.sheet.binary.macroenabled.12
                                                  xlsm application/vnd.ms-excel.sheet.macroenabled.12
                                                  xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
                                                  xlt application/vnd.ms-excel
                                                  xltm application/vnd.ms-excel.template.macroenabled.12
                                                  xltx application/vnd.openxmlformats-officedocument.spreadsheetml.template
                                                  xlw application/vnd.ms-excel
                                                  xm audio/xm
                                                  xml application/xml
                                                  xo application/vnd.olpc-sugar
                                                  xop application/xop+xml
                                                  xpi application/x-xpinstall
                                                  xpl application/xproc+xml
                                                  xpm image/x-xpixmap
                                                  xpr application/vnd.is-xpr
                                                  xps application/vnd.ms-xpsdocument
                                                  xpw application/vnd.intercon.formnet
                                                  xpx application/vnd.intercon.formnet
                                                  xsl application/xml
                                                  xslt application/xslt+xml
                                                  xsm application/vnd.syncml+xml
                                                  xspf application/xspf+xml
                                                  xul application/vnd.mozilla.xul+xml
                                                  xvm application/xv+xml
                                                  xvml application/xv+xml
                                                  xwd image/x-xwindowdump
                                                  xyz chemical/x-xyz
                                                  xz application/x-xz
                                                  yang application/yang
                                                  yin application/yin+xml
                                                  z application/x-compress
                                                  Z application/x-compress
                                                  z1 application/x-zmachine
                                                  z2 application/x-zmachine
                                                  z3 application/x-zmachine
                                                  z4 application/x-zmachine
                                                  z5 application/x-zmachine
                                                  z6 application/x-zmachine
                                                  z7 application/x-zmachine
                                                  z8 application/x-zmachine
                                                  zaz application/vnd.zzazz.deck+xml
                                                  zip application/zip
                                                  zir application/vnd.zul
                                                  zirz application/vnd.zul
                                                  zmm application/vnd.handheld-entertainment+xml
                                                  """;

    private static readonly Dictionary<string, string> _mimeTypeDic = _MIME_TYPES_RAW_STRING.Split('\n', StringSplitOptions.RemoveEmptyEntries)
                                                                                            .ToDictionary( //
                                                                                                x => x.Split(' ')[0].Trim()
                                                                                              , x => x.Split(' ')[1].Trim());

    /// <summary>
    ///     通过扩展名获取MIME类型
    /// </summary>
    public static string GetMimeTypeByExtName(string extName)
    {
        _ = _mimeTypeDic.TryGetValue(extName.ToLowerInvariant(), out var ret);
        return ret;
    }
}